code: def merge_eval(main_eval, new_eval, prefix):
      for k in new_eval:
          main_eval["%s_%s" % (prefix, k)] = new_eval[k]
  
file_path: gluon-nlp/scripts/question_answering/eval_utils.py
imports: import collections
  import json
  import copy
  import re
  import string
label_desc: Use image node_id 9 for calling a global function with example usage: merge_eval(main_eval, new_eval, prefix) without return types